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maksim [4K]
2 years ago
10

Quadrilateral RUST has a vertex at R(2, 4).

Mathematics
1 answer:
svetoff [14.1K]2 years ago
3 0

Given:

The coordinate of point R in quadrilateral RUST are (2,4).

R is dilated by a scale factor of 3, centered at the origin, followed by the translation (x, y)\to (x+4,y).

To find:

The coordinates of R' after dilation and translation.

Solution:

If a figure is dilated by a scale factor of 3, centered at the origin, then

(x,y)\to (3x,3y)

We value R(2,4).

R(2,4)\to R_1(3(2),3(4))

R(2,4)\to R_1(6,12)

The rule of translation is:

(x, y)\to (x+4,y)

Using this rule, we get

R_1(6,12)\to R'(6+4,12)

R_1(6,12)\to R'(10,12)

Therefore, the coordinates of point R' are (10,12) and the correct option is B.

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